Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% N2. Analysis of the cinder shows 8.29% unburned FeS2 and 3.81% SO. The gases from the burner are cooled and made to come into contact with Milk of Lime in an absorption tower. The dolomitic lime used is 82% CaO, 16% MgO and 2% inerts. The bisulfite liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9% being present as bisulfites. An analysis of the dry waste gas shows that it contains only O2 and N2. Assuming no further oxidation of SO2 to SO, and formation of H,SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SOs in cinder/ kmol of BG c. kg of bisulfite liquor/ kg of pyrite d. kg of lime/ kmol of BG e. kg of water for slaking/ kmol of BG
Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% N2. Analysis of the cinder shows 8.29% unburned FeS2 and 3.81% SO. The gases from the burner are cooled and made to come into contact with Milk of Lime in an absorption tower. The dolomitic lime used is 82% CaO, 16% MgO and 2% inerts. The bisulfite liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9% being present as bisulfites. An analysis of the dry waste gas shows that it contains only O2 and N2. Assuming no further oxidation of SO2 to SO, and formation of H,SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SOs in cinder/ kmol of BG c. kg of bisulfite liquor/ kg of pyrite d. kg of lime/ kmol of BG e. kg of water for slaking/ kmol of BG
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter5: Gases
Section: Chapter Questions
Problem 130E
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Solve the problem and show complete solution. Box all final answers. Also, make a diagram for the given problem.
See attached photo.
![Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a
burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% Na. Analysis of
the cinder shows 8.29% unburned FeS2 and 3.81% SO3. The gases from the burner
are cooled and made to come into contact with Milk of Lime in an absorption
tower. The dolomitic lime used is 82% CaO, 16% MgO and 2% inerts. The bisulfite
liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9%
being present as bisulfites. An analysis of the dry waste gas shows that it contains
only O2 and N2. Assuming no further oxidation of SO2 to SOs and formation of H,SO.
in the tower.
Calculate:
a. kg pyrites/ kmol of BG
b. kg of SO3 in cinder/ kmol of BG
c. kg of bisulfite liquor/ kg of pyrite
d. kg of lime/ kmol of BG
e. kg of water for slaking/ kmol of BG](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcfdf9b1a-5a67-41bb-abff-0db92be7c877%2F7dd0ac7a-6acf-4e2a-958b-7340eaa53f63%2Firwby5f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a
burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% Na. Analysis of
the cinder shows 8.29% unburned FeS2 and 3.81% SO3. The gases from the burner
are cooled and made to come into contact with Milk of Lime in an absorption
tower. The dolomitic lime used is 82% CaO, 16% MgO and 2% inerts. The bisulfite
liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9%
being present as bisulfites. An analysis of the dry waste gas shows that it contains
only O2 and N2. Assuming no further oxidation of SO2 to SOs and formation of H,SO.
in the tower.
Calculate:
a. kg pyrites/ kmol of BG
b. kg of SO3 in cinder/ kmol of BG
c. kg of bisulfite liquor/ kg of pyrite
d. kg of lime/ kmol of BG
e. kg of water for slaking/ kmol of BG
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